Khwezi Mngoma
28 lines
1.4 KiB
C#
28 lines
1.4 KiB
C#
namespace LiteCharms.Features.Extensions;
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public static class Timezones
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{
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public static TimeZoneInfo SouthAfricanTimeZone => TimeZoneInfo.FindSystemTimeZoneById("South Africa Standard Time");
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public static string? LocaliseDateTime(this DateTime dateTime, TimeSpan offset) => offset.Hours > 0
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? $"{dateTime:yyyy-MM-ddTHH:mm:ss.fff}+{offset.Hours:00}:{offset.Minutes:00}"
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: $"{dateTime:yyyy-MM-ddTHH:mm:ss.fff}{offset.Hours:00}:{offset.Minutes:00}";
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public static string? LocaliseDateTimeOffset(this DateTimeOffset dateTime, TimeSpan offset) => LocaliseDateTime(dateTime.DateTime, offset);
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public static DateTimeOffset ToDateTimeWithTimeZone(this DateTime source, TimeZoneInfo? timezone = null)
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{
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DateTime sourceDateAdjusted = source.Kind != DateTimeKind.Utc
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? new(source.Ticks, DateTimeKind.Utc)
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: source;
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var localised = timezone is null
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? new DateTimeOffset(sourceDateAdjusted.Ticks, SouthAfricanTimeZone.BaseUtcOffset).LocaliseDateTimeOffset(SouthAfricanTimeZone.BaseUtcOffset)
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: new DateTimeOffset(sourceDateAdjusted.Ticks, timezone!.BaseUtcOffset).LocaliseDateTimeOffset(timezone.BaseUtcOffset);
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return DateTimeOffset.Parse(localised!);
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}
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public static DateTime UtcNow(this TimeZoneInfo timezone) => ToDateTimeWithTimeZone(DateTime.Now, timezone).UtcDateTime;
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}
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